Weather in Napa, CA
Updated 2026-08-11 10:00 local time · ZIP codes 94558, 94559
Overcast
No government weather alerts were returned for this location at the latest update.
Next hours
57°25% rain
70°8% rain
78°2% rain86°2% rain88°1% rain89°1% rain90°1% rain88°1% rain84°1% rain82°1% rain69°4% rain
63°8% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 25%).
It feels like 57°F with winds near 3 mph.
69°F, 4% rain chance and 5 mph wind.
Visibility is around 10 mi; gusts may reach 10 mph.
Current temperature is 57°F, wind 3 mph, rain chance up to 25%.
UV index is 4. Sunscreen and sunglasses are sensible for longer outdoor time.
Napa weather today
Overcast and 57°F in Napa, CA. Today's high is 90°F with a 17% rain chance. Winds are around 3 mph with gusts near 4 mph. Relative humidity is 88%, pressure is 29.97 inHg, and visibility is about 10 miles.
Tonight and tomorrow in Napa
Sunrise is at 06:20 AM and sunset is at 08:08 PM. Tomorrow's forecast calls for Sunny with a high near 83°F and a low near 52°F. The maximum rain chance is 6%.